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JackFrusciante
Known Participant
April 24, 2020
Question

WB picker and profiles

  • April 24, 2020
  • 2 replies
  • 929 views

Can you confirm that when I use the WB picker after applying a profile, colors are sample from the actual image layer (colors from the photo) and not from the applied profile "layer"?

Thanks in advance for any feedback.

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    2 replies

    DdeGannes
    Community Expert
    DdeGannesCommunity Expert
    Community Expert
    April 24, 2020

    I agree with 99jon's post. However, I have never heard of this"layer" concept.

    Lightroom stores everything you do, within the application, in the Catalog File. Lightroom builds Previews at import which allows you to browse in the Library module.

    While you work in the Develop Module, Lightroom works directly with the Original File and reads from the Catalog file, re-rendering as you work. This process is assisted by the Camera Raw Cache files. The order that is used by Lightroom in applying the edits is decided by Lightroom and applied when the file needs to be re-rendered. This is why there is a delay in display in this module when lots of edits have been applied.  

    Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.3; PS 27.0; ) Camera Oly OM-D E-M1.
    J
    JackFruscianteAuthor
    Known Participant
    April 24, 2020

    Hi DdeGannes and thanks for your reply,
    Concerning "layers" maybe I explained myself wrong. I know Lr store any edit in the catalog and I know that rendering in develop module is made almost in real time. What I wanted to say is that, in the end, Lightroom in his own order of applying edits keeps implicitly the concept of "layer". If I open a raw file and then I apply a profile, I can see "as if" the profile is on top of my photo. To be "on top" recall me the concept of layering. If, after applying the profile, I take the WB picker and I click on any point of the photo rendered on the screen, the WB picker doesn't work on the RGB values shown by his own loupe, but sampling RGB values from the "underlying level" that is the actual photo. In summary, what I wanted to say is that, even if we can't really talk of layers, I find the concept of layering is still present.
    Regards.

    Luca

     

    P.S. Also think to the profile opacity slider: opacity is one of the main traits of layers.

    99jon
    99jon
    Legend
    April 24, 2020

    Yes by clicking in the image with the WB color picker you change the slider values. Applying a change of profile will not affect any slider values.

     

    N.B. Lightroom does not use layers. All edits are stored as metadata settings.

      J
      JackFruscianteAuthor
      Known Participant
      April 24, 2020

      Thanks for your reply. Yes I called it "profile layer" because, as for any other adjustment mask, Lightroom seems to manage that as a "kind of" layer.

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